/*
 * Jiri Cigler
 * ciglej1@fel.cvut.cz 
 *
 * Copyright (C) 2007 Jirka Cigler <ciglej1@fel.cvut.cz>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 */ 
#include "../src/timer.hh"

double
	am(double t[], int n) {
		if (n < 1)
			return 0.0;
		double s = 0;
		for (int i=n; i--; )
			s += t[i];
		return s / n;
	}

double
	dev(double t[], int n) {
		if (n < 2)
			return 0.0;
		double m = am(t,n);
		double s = 0.0;
		for (int i=n; i--; ) {
			double d = t[i]-m;
			s += d*d;
		}
		return sqrt(s / (n-1)) / m;
	}

// STATISTICS: example-any
